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Near-Infrared Green Camouflage of PET Fabrics Using Disperse Dyes

机译：分散染料对PET织物的近红外绿色伪装

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摘要

In order to match the reflectance profile of greenish leaf at NIR region, four commercially disperse dyes were used to dye PET fabric, and the reflectance of dyed fabric and the transmittance of dye liquor in alcohol solution were measured by using a UV-Vis-NIR spectrometer with an integrating sphere. The effect of the combination dyeing, dyeing concentration (% owf) and fabric weave on the reflectance were also studied. The results show that the reflectance of the combination dyeing is determined by one of the dyes whose reflectance curve emerges at longer wavelengths. C.I. Disperse Blue 56 plays an important role in green camouflaging. When the dyeing concentration of C.I. Disperse Blue 56 is 1 - 2 % owf, the reflectance of dyed fabric almost overlaps that of greenish leaf in red shift region (region A). Fabric weave has little effect on the reflectance for the same dyeing program.
机译：为了匹配绿色叶片在NIR区域的反射率分布，使用四种商业分散染料对PET织物染色，并使用UV-Vis-NIR测量染色织物的反射率和染料溶液在酒精溶液中的透射率。积分球的光谱仪。还研究了组合染色，染色浓度（％owf）和织物组织对反射率的影响。结果表明，组合染色的反射率是由一种反射率曲线在较长波长处出现的染料决定的。 C.I.分散蓝56在绿色伪装中起着重要作用。当染色浓度为C.I.分散蓝56为1-2％owf，在红移区域（区域A），染色织物的反射率几乎与绿叶的反射率重叠。对于相同的染色程序，织物编织对反射率影响很小。

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